Home / 31,992.30-47,988.45-17,208.18

Finding the Fourth Proportional to 31,992.30, 47,988.45 and 17,208.18

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Solution

The fourth proportional to 31,992.30, 47,988.45 and 17,208.18 is: 25,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.30 : 47,988.45 = 17,208.18 : x
  2. Step 2: Convert to fraction form
    31,992.30/47,988.45 = 17,208.18/x
  3. Step 3: Cross multiply
    31,992.30x = 47,988.45 × 17,208.18
  4. Step 4: Simplify right side
    31,992.30x = 825,793,885.52
  5. Step 5: Solve for x
    x = 825,793,885.52/31,992.30
  6. Step 6: Final answer
    x = 25,812.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.